๐Ÿ” CVE Alert

CVE-2026-77506

MEDIUM 4.8
CVSS Score
4.8
EPSS Score
0.0%
EPSS Percentile
0th

Znuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS.

CWE CWE-79
Vendor znuny
Product znuny
Published Aug 20, 2026
Stay Ahead of the Next One

Get instant alerts for znuny znuny

Be the first to know when new medium vulnerabilities affecting znuny znuny are published โ€” delivered to Slack, Telegram or Discord.

Get Free Alerts โ†’ Free ยท No credit card ยท 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Affected Versions

Znuny / Znuny
6.0 < 6.5.22

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
znuny.org: https://www.znuny.org/en/advisories/zsa-2026-12